package day1214;

import java.util.Scanner;

public class T4 {
    public static void main(String[] args) {
        Scanner s=new Scanner(System.in);

        int age=s.nextInt();

        System.out.println(age>18?  "成年人" : "未成年人");


        String rs=    age>18?  "成年人" : "未成年人";

        System.out.println(rs);
    }
}